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piston rings

  1. Technical
    Hi! Look at my photos. What can you say about the condition of this piston rings? In the manual is written that piston rings must be 0,020 mm ÷ 0,052 mm (0,055 mm) but the max. allowed wear limit is of 0,10 mm! Why such a spread? Between 0.052 mm (or 0,055 mm) and 0,10 mm huge difference! Or I...
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